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Finding the Fourth Proportional to 83,100.62, 124,650.90 and 38,758.38

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Solution

The fourth proportional to 83,100.62, 124,650.90 and 38,758.38 is: 58,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.62 : 124,650.90 = 38,758.38 : x
  2. Step 2: Convert to fraction form
    83,100.62/124,650.90 = 38,758.38/x
  3. Step 3: Cross multiply
    83,100.62x = 124,650.90 × 38,758.38
  4. Step 4: Simplify right side
    83,100.62x = 4,831,266,949.54
  5. Step 5: Solve for x
    x = 4,831,266,949.54/83,100.62
  6. Step 6: Final answer
    x = 58,137.56

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